{"id":2181,"date":"2009-08-17T22:44:35","date_gmt":"2009-08-17T20:44:35","guid":{"rendered":"http:\/\/localhost\/helpcentre\/?p=2181"},"modified":"2025-07-09T12:28:52","modified_gmt":"2025-07-09T10:28:52","slug":"ptr","status":"publish","type":"post","link":"https:\/\/xneelo.co.za\/help-centre\/domains\/ptr\/","title":{"rendered":"PTR \u2013 Reverse DNS"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">PTR records (Pointer records) are a type of <\/span><a href=\"https:\/\/xneelo.co.za\/help-centre\/domains\/what-is-dns\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">DNS<\/span><\/a><span style=\"font-weight: 400;\"> (Domain Name System) record used for <\/span><b>reverse DNS lookups<\/b><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">PTR records map an <\/span><b>IP address<\/b><span style=\"font-weight: 400;\"> to a <\/span><b>domain name<\/b><span style=\"font-weight: 400;\">. This is the reverse of A (IPv4) or AAAA (IPv6) records, which map a domain name to an IP address. This enables identifying the hostname associated with a given IP address.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Common use cases for PTR records include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Email server verification<\/b><span style=\"font-weight: 400;\">: A valid PTR record can help verify the legitimacy of an email sender and reduce spam.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Network diagnostics and security<\/b><span style=\"font-weight: 400;\">: PTR records allow DNS administrators and network tools to trace IP addresses back to hostnames, aiding in monitoring and troubleshooting.<\/span><\/li>\n<\/ul>\n<h3>Custom PTR records<\/h3>\n<p><span style=\"font-weight: 400;\">You can request a custom PTR record to map an IP address to your own domain name. This service is available for <\/span><b>IPv4 addresses only<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">PTR records are available for:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Xneelo Cloud: IP addresses allocated to your Cloud instances<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Self-Managed Servers: IP addresses allocated to your Self-Managed Servers.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Colocation: IP addresses allocated to your Colocation racks.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">PTR records are <\/span><b>not available for<\/b><span style=\"font-weight: 400;\">:\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Managed Servers<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Shared Web Hosting<\/span><\/li>\n<\/ul>\n<h3>Request a PTR record update<\/h3>\n<p><span style=\"font-weight: 400;\">To request a PTR record update, please contact us via <\/span><a href=\"https:\/\/xneelo.co.za\/contact-us\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Live Chat<\/span><\/a><span style=\"font-weight: 400;\"> or <\/span><a href=\"mailto:support@xneelo.com\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">support@xneelo.com<\/span><\/a><span style=\"font-weight: 400;\">. Most requests are processed within <\/span><b>1 business day<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Please provide the following information:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The <strong>IP address<\/strong> for which the PTR record should be updated.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The <strong>custom domain name<\/strong> you want associated with the IP address.<\/span><\/li>\n<\/ul>\n","protected":false,"plain":"<span >PTR records (Pointer records) are a type of <\/span><a href=\"https:\/\/xneelo.co.za\/help-centre\/domains\/what-is-dns\/\" target=\"_blank\" rel=\"noopener\"><span >DNS<\/span><\/a><span > (Domain Name System) record used for <\/span><b>reverse DNS lookups<\/b><span >.\u00a0<\/span>\r\n\r\n<span >PTR records map an <\/span><b>IP address<\/b><span > to a <\/span><b>domain name<\/b><span >. This is the reverse of A (IPv4) or AAAA (IPv6) records, which map a domain name to an IP address. This enables identifying the hostname associated with a given IP address.<\/span>\r\n\r\n<span >Common use cases for PTR records include:<\/span>\r\n<ul>\r\n \t<li  aria-level=\"1\"><b>Email server verification<\/b><span >: A valid PTR record can help verify the legitimacy of an email sender and reduce spam.<\/span><\/li>\r\n \t<li  aria-level=\"1\"><b>Network diagnostics and security<\/b><span >: PTR records allow DNS administrators and network tools to trace IP addresses back to hostnames, aiding in monitoring and troubleshooting.<\/span><\/li>\r\n<\/ul>\r\n<h3>Custom PTR records<\/h3>\r\n<span >You can request a custom PTR record to map an IP address to your own domain name. This service is available for <\/span><b>IPv4 addresses only<\/b><span >.<\/span>\r\n\r\n<span >PTR records are available for:<\/span>\r\n<ul>\r\n \t<li  aria-level=\"1\"><span >Xneelo Cloud: IP addresses allocated to your Cloud instances<\/span><\/li>\r\n \t<li  aria-level=\"1\"><span >Self-Managed Servers: IP addresses allocated to your Self-Managed Servers.<\/span><\/li>\r\n \t<li  aria-level=\"1\"><span >Colocation: IP addresses allocated to your Colocation racks.<\/span><\/li>\r\n<\/ul>\r\n<span >PTR records are <\/span><b>not available for<\/b><span >:\u00a0<\/span>\r\n<ul>\r\n \t<li  aria-level=\"1\"><span >Managed Servers<\/span><\/li>\r\n \t<li  aria-level=\"1\"><span >Shared Web Hosting<\/span><\/li>\r\n<\/ul>\r\n<h3>Request a PTR record update<\/h3>\r\n<span >To request a PTR record update, please contact us via <\/span><a href=\"https:\/\/xneelo.co.za\/contact-us\/\" target=\"_blank\" rel=\"noopener\"><span >Live Chat<\/span><\/a><span > or <\/span><a href=\"mailto:support@xneelo.com\" target=\"_blank\" rel=\"noopener\"><span >support@xneelo.com<\/span><\/a><span >. Most requests are processed within <\/span><b>1 business day<\/b><span >.<\/span>\r\n\r\n<span >Please provide the following information:<\/span>\r\n<ul>\r\n \t<li  aria-level=\"1\"><span >The <strong>IP address<\/strong> for which the PTR record should be updated.<\/span><\/li>\r\n \t<li  aria-level=\"1\"><span >The <strong>custom domain name<\/strong> you want associated with the IP address.<\/span><\/li>\r\n<\/ul>"},"excerpt":{"rendered":"<p>Custom PTR records can be created for IP addresses within xneelo IP address ranges. This service is available to xneelo Cloud, Self-Managed, and Colocation customers.<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"lsx_disable_title":"0","_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"categories":[155,157],"tags":[23471,23468,23465,23462,23474],"topics":[10457],"class_list":["post-2181","post","type-post","status-publish","format-standard","hentry","category-domains","category-managing-domains","tag-colo-ptr","tag-cloud-ptr","tag-ptr","tag-ptr-record","tag-server-ptr","topics-dns"],"acf":[],"additional_meta":{"category_title":[{"term_id":155,"name":"Domains","slug":"domains","term_group":0,"term_taxonomy_id":155,"taxonomy":"category","description":"Registering and Transferring Domains ","parent":0,"count":74,"filter":"raw","term_order":"61","cat_ID":155,"category_count":74,"category_description":"Registering and Transferring Domains ","cat_name":"Domains","category_nicename":"domains","category_parent":0},{"term_id":157,"name":"Managing your domains","slug":"managing-domains","term_group":0,"term_taxonomy_id":157,"taxonomy":"category","description":"Managing your Domains","parent":155,"count":17,"filter":"raw","term_order":"91","cat_ID":157,"category_count":17,"category_description":"Managing your Domains","cat_name":"Managing your domains","category_nicename":"managing-domains","category_parent":155}],"tag_title":[{"term_id":23471,"name":"colo ptr","slug":"colo-ptr","term_group":0,"term_taxonomy_id":23471,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw","term_order":"333"},{"term_id":23468,"name":"cloud ptr","slug":"cloud-ptr","term_group":0,"term_taxonomy_id":23468,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw","term_order":"334"},{"term_id":23465,"name":"ptr","slug":"ptr","term_group":0,"term_taxonomy_id":23465,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw","term_order":"335"},{"term_id":23462,"name":"ptr record","slug":"ptr-record","term_group":0,"term_taxonomy_id":23462,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw","term_order":"336"},{"term_id":23474,"name":"server ptr","slug":"server-ptr","term_group":0,"term_taxonomy_id":23474,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw","term_order":"337"}]},"featured_image_src":null,"author_info":{"display_name":"marketing","author_link":"https:\/\/xneelo.co.za\/help-centre\/author\/marketing\/","author_avatar":"https:\/\/secure.gravatar.com\/avatar\/a6ea315e112423b2b955cb020fbce2b0835956c6ad85ff0f13f1db298977eaaa?s=96&d=mm&r=g"},"_links":{"self":[{"href":"https:\/\/xneelo.co.za\/help-centre\/wp-json\/wp\/v2\/posts\/2181","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xneelo.co.za\/help-centre\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xneelo.co.za\/help-centre\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xneelo.co.za\/help-centre\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/xneelo.co.za\/help-centre\/wp-json\/wp\/v2\/comments?post=2181"}],"version-history":[{"count":0,"href":"https:\/\/xneelo.co.za\/help-centre\/wp-json\/wp\/v2\/posts\/2181\/revisions"}],"wp:attachment":[{"href":"https:\/\/xneelo.co.za\/help-centre\/wp-json\/wp\/v2\/media?parent=2181"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xneelo.co.za\/help-centre\/wp-json\/wp\/v2\/categories?post=2181"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xneelo.co.za\/help-centre\/wp-json\/wp\/v2\/tags?post=2181"},{"taxonomy":"topics","embeddable":true,"href":"https:\/\/xneelo.co.za\/help-centre\/wp-json\/wp\/v2\/topics?post=2181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}